Study of Chinese oil-less chamber

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Study of Chinese oil-less chamber
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Construction details
350 X 350 X 30 mm
Insulating surface
Gas connections
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Construction details
Signal pick-up strips
Gas/HV terminals
Back view
Front view
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HV test result

• Top gap
• V-I characteristics seem to be OK till about
  3000V (Current 0.09?A)
• Current fluctuates beyond this voltage

• Bottom gap
• Current, a factor of 10 higher than the top gap

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Construction details

• Double-gap
• Gap sizes
• Bottom 320 X 320 X 6.6 mm
• Top 290 X 290 X 6.6 mm
• Pick-up strips 13 Strip width 22
• HV contacts made through Cu tapes stuck on
  graphite surfaces and terminated on gas nozzles!